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List of works by Olaf Hartig

A Context-Based Semantics for SPARQL Property Paths Over the Web

A Formal Framework for Comparing Linked Data Fragments

scientific article published at ISWC 2017

An Introduction to SPARQL and Queries over Linked Data

Bindings-Restricted Triple Pattern Fragments

Designing Component-Based Semantic Web Applications with DESWAP

scientific article published in iswc2008 posters and demonstrations

Diversified Stress Testing of RDF Data Management Systems

scientific article published at ISWC 2014

Executing SPARQL Queries over the Web of Linked Data

article by Olaf Hartig et al published 2009 in The Semantic Web - ISWC 2009: 8th International Semantic Web Conference, ISWC 2009, Chantilly, VA, USA, October 25-29, 2009. Proceedings

Executing queries over schemaless RDF databases

Federated SPARQL Query Processing Via CostFed

scientific article published in proceedings of the iswc 2017 posters & demonstrations and industry tracks

Foundations of traversal based query execution over linked data

GRADES-NDA'24: 7th Joint Workshop on Graph Data Management Experiences & Systems (GRADES) and Network Data Analytics (NDA)

scientific article published on 23 May 2024

How to consume linked data on the web

LDQL: A Query Language for the Web of Linked Data

scientific article published at ISWC 2015

LDQL: A query language for the Web of Linked Data

Linked Data query processing

Low-cost queryable Linked Data through triple pattern fragments ⬇️

conference paper published in 2014

OBG-gen: Ontology-Based GraphQL Server Generation for Data Integration

scientific article published in proceedings of the iswc 2023 posters, demos and industry tracks: from novel ideas to industrial practice

OPT+: A Monotonic Alternative to OPTIONAL in SPARQL ⬇️

scholarly article

Populating personal linked data caches using context models

Publishing and Consuming Provenance Metadata on the Web of Linked Data

Query prediction with context models for populating personal linked data caches

Querying Datasets on the Web with High Availability

scientific article published on 2014

Querying Trust in RDF Data with tSPARQL

article by Olaf Hartig published 2009 in The Semantic Web: Research and Applications: 6th European Semantic Web Conference, ESWC 2009 Heraklion, Crete, Greece, May 31–June 4, 2009 Proceedings

RDF* and SPARQL*: An Alternative Approach to Annotate Statements in RDF

scientific article published in proceedings of the iswc 2017 posters & demonstrations and industry tracks

RDF-star

RDF-star is an extension of RDF's conceptual data model and concrete syntaxes, providing a more compact form of reification.

RSP-QL*: Enabling Statement-Level Annotations in RDF Streams

scientific article published in 2019

Reachable subwebs for traversal-based query execution

Reducing the Network Load of Triple Pattern Fragments by Supporting Bind Joins

scientific article published in proceedings of the iswc 2016 posters & demonstrations track

SPARQL for a Web of Linked Data: Semantics and Computability

article by Olaf Hartig published 2012 in Lecture Notes in Computer Science

SQUIN

Scheduling Refresh Queries for Keeping Results from a SPARQL Endpoint Up-to-Date (Short Paper)

article

Triple Pattern Fragments: A low-cost knowledge graph interface for the Web

Tutorials at The Web Conference 2023

scientific article published on 28 April 2023

Walking Without a Map: Ranking-Based Traversal for Querying Linked Data

scientific article published at ISWC 2016

Zero-Knowledge Query Planning for an Iterator Implementation of Link Traversal Based Query Execution

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